The effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.

<h4>Objective</h4>To test the hypothesis that cervical shortening in polyhydramnios reflects the degree of excess amniotic fluid, and increases with normalisation of amniotic fluid volume.<h4>Study design</h4>Prospective cohort study of 40 women with monochorionic twins under...

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Autores principales:	Neelam Engineer, Keelin O'Donoghue, Ruwan C Wimalasundera, Nicholas M Fisk
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2008
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e496183162414e7cb47153d6df308299
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spelling	oai:doaj.org-article:e496183162414e7cb47153d6df3082992021-11-25T06:18:21ZThe effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.1932-620310.1371/journal.pone.0003834https://doaj.org/article/e496183162414e7cb47153d6df3082992008-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19048106/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Objective</h4>To test the hypothesis that cervical shortening in polyhydramnios reflects the degree of excess amniotic fluid, and increases with normalisation of amniotic fluid volume.<h4>Study design</h4>Prospective cohort study of 40 women with monochorionic twins undergoing interventional procedures between 16-26 weeks. Cervical length was assessed via transvaginal sonography pre-procedure, 1 and 24 hours post-procedure, and results compared between amnioreduction and control procedures. Amniotic fluid index (AFI) was measured pre- and post-procedure.<h4>Results</h4>Pre-procedural cervical length correlated with AFI (linear fit = 5.07 -0.04x, R(2) = 0.17, P = 0.03) in patients with polyhydramnios (n = 28). Drainage of 2000 ml fluid (range 700-3500 ml), reduced AFI from 42 cm to 21 cm (P<0.001). Their pre-procedural cervical length did not change at one (mean Delta:-0.1cm, 95%CI, -0.4 to 0.2) or 24 hours (0.2 cm, -0.1 to 0.6) after amnioreduction. There was no change in cervical length at control procedures.<h4>Conclusion</h4>Cervical shortening in twins with polyhydramnios does not appear to be an acute process; cervical length can be measured before or after therapeutic procedures.Neelam EngineerKeelin O'DonoghueRuwan C WimalasunderaNicholas M FiskPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 3, Iss 12, p e3834 (2008)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Neelam Engineer Keelin O'Donoghue Ruwan C Wimalasundera Nicholas M Fisk The effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.
description	<h4>Objective</h4>To test the hypothesis that cervical shortening in polyhydramnios reflects the degree of excess amniotic fluid, and increases with normalisation of amniotic fluid volume.<h4>Study design</h4>Prospective cohort study of 40 women with monochorionic twins undergoing interventional procedures between 16-26 weeks. Cervical length was assessed via transvaginal sonography pre-procedure, 1 and 24 hours post-procedure, and results compared between amnioreduction and control procedures. Amniotic fluid index (AFI) was measured pre- and post-procedure.<h4>Results</h4>Pre-procedural cervical length correlated with AFI (linear fit = 5.07 -0.04x, R(2) = 0.17, P = 0.03) in patients with polyhydramnios (n = 28). Drainage of 2000 ml fluid (range 700-3500 ml), reduced AFI from 42 cm to 21 cm (P<0.001). Their pre-procedural cervical length did not change at one (mean Delta:-0.1cm, 95%CI, -0.4 to 0.2) or 24 hours (0.2 cm, -0.1 to 0.6) after amnioreduction. There was no change in cervical length at control procedures.<h4>Conclusion</h4>Cervical shortening in twins with polyhydramnios does not appear to be an acute process; cervical length can be measured before or after therapeutic procedures.
format	article
author	Neelam Engineer Keelin O'Donoghue Ruwan C Wimalasundera Nicholas M Fisk
author_facet	Neelam Engineer Keelin O'Donoghue Ruwan C Wimalasundera Nicholas M Fisk
author_sort	Neelam Engineer
title	The effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.
title_short	The effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.
title_full	The effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.
title_fullStr	The effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.
title_full_unstemmed	The effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.
title_sort	effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.
publisher	Public Library of Science (PLoS)
publishDate	2008
url	https://doaj.org/article/e496183162414e7cb47153d6df308299
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The effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.

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